[ 29.984518][ T3177] 8021q: adding VLAN 0 to HW filter on device bond0 [ 30.004977][ T3177] eql: remember to turn off Van-Jacobson compression on your slave devices Starting sshd: OK syzkaller syzkaller login: [ 39.819836][ T26] kauditd_printk_skb: 37 callbacks suppressed [ 39.819852][ T26] audit: type=1400 audit(1647392501.102:73): avc: denied { transition } for pid=3391 comm="sshd" path="/bin/sh" dev="sda1" ino=73 scontext=system_u:system_r:initrc_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 [ 39.860255][ T26] audit: type=1400 audit(1647392501.142:74): avc: denied { write } for pid=3391 comm="sh" path="pipe:[27534]" dev="pipefs" ino=27534 scontext=root:sysadm_r:sysadm_t tcontext=system_u:system_r:initrc_t tclass=fifo_file permissive=1 Warning: Permanently added '10.128.1.117' (ECDSA) to the list of known hosts. executing program [ 49.554546][ T26] audit: type=1400 audit(1647392510.842:75): avc: denied { execmem } for pid=3598 comm="syz-executor113" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 [ 49.575928][ T26] audit: type=1400 audit(1647392510.862:76): avc: denied { read } for pid=3599 comm="syz-executor113" name="loop0" dev="devtmpfs" ino=644 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fixed_disk_device_t tclass=blk_file permissive=1 [ 49.600211][ T26] audit: type=1400 audit(1647392510.862:77): avc: denied { open } for pid=3599 comm="syz-executor113" path="/dev/loop0" dev="devtmpfs" ino=644 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fixed_disk_device_t tclass=blk_file permissive=1 [ 49.625207][ T26] audit: type=1400 audit(1647392510.862:78): avc: denied { ioctl } for pid=3599 comm="syz-executor113" path="/dev/loop0" dev="devtmpfs" ino=644 ioctlcmd=0x4c08 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fixed_disk_device_t tclass=blk_file permissive=1 [ 49.917658][ T3599] loop0: detected capacity change from 0 to 64 executing program [ 50.007795][ C0] I/O error, dev loop0, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 0 [ 50.060890][ T49] ------------[ cut here ]------------ [ 50.066463][ T49] WARNING: CPU: 0 PID: 49 at fs/iomap/iter.c:33 iomap_iter+0xd85/0x1110 [ 50.075203][ T49] Modules linked in: [ 50.079105][ T49] CPU: 0 PID: 49 Comm: kworker/u4:2 Not tainted 5.17.0-rc8-syzkaller-00003-g56e337f2cf13 #0 [ 50.089450][ T49] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 50.099711][ T49] Workqueue: loop0 loop_rootcg_workfn [ 50.105223][ T49] RIP: 0010:iomap_iter+0xd85/0x1110 [ 50.110504][ T49] Code: fd ff ff e8 9d f2 d0 ff e9 f9 f9 ff ff e8 c3 0c 8a ff 0f 0b e9 87 f8 ff ff e8 b7 0c 8a ff 0f 0b e9 98 f7 ff ff e8 ab 0c 8a ff <0f> 0b e9 38 f7 ff ff e8 9f 0c 8a ff 0f 0b e9 64 f7 ff ff e8 93 0c [ 50.130332][ T49] RSP: 0018:ffffc900011a7688 EFLAGS: 00010293 [ 50.136513][ T49] RAX: 0000000000000000 RBX: ffffc900011a7820 RCX: 0000000000000000 [ 50.144559][ T49] RDX: ffff888015fa4080 RSI: ffffffff81ede8e5 RDI: 0000000000000003 [ 50.152557][ T49] RBP: 00000fff80000000 R08: 00000fff80000000 R09: 000000000000000c [ 50.160559][ T49] R10: ffffffff81ede01b R11: 000000000000003f R12: 0000000000000000 [ 50.168532][ T49] R13: ffffffff80000000 R14: ffffc900011a7848 R15: ffffc900011a7890 [ 50.176534][ T49] FS: 0000000000000000(0000) GS:ffff8880b9d00000(0000) knlGS:0000000000000000 [ 50.185495][ T49] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 50.192122][ T49] CR2: 00007f2f4d9e5130 CR3: 000000007b1f8000 CR4: 00000000003506e0 [ 50.200137][ T49] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 50.208091][ T49] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 50.216093][ T49] Call Trace: [ 50.219370][ T49] [ 50.222347][ T49] __iomap_dio_rw+0x6b2/0x1ad0 [ 50.227123][ T49] ? iomap_dio_bio_iter+0x1560/0x1560 [ 50.232565][ T49] ? down_read+0x198/0x440 [ 50.237001][ T49] ? rwsem_down_read_slowpath+0xa70/0xa70 [ 50.242751][ T49] iomap_dio_rw+0x38/0x90 [ 50.247084][ T49] ext4_file_read_iter+0x41c/0x5d0 [ 50.252258][ T49] lo_rw_aio.isra.0+0xa99/0xc90 [ 50.257119][ T49] ? loop_validate_file+0x450/0x450 [ 50.262391][ T49] ? rwlock_bug.part.0+0x90/0x90 [ 50.267341][ T49] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 50.273650][ T49] ? kthread_associate_blkcg+0x1ff/0x720 [ 50.279291][ T49] loop_process_work+0x92f/0x1db0 [ 50.284344][ T49] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 50.290368][ T49] ? css_put+0x2c0/0x2c0 [ 50.294644][ T49] ? lock_release+0x720/0x720 [ 50.299321][ T49] ? lock_downgrade+0x6e0/0x6e0 [ 50.304208][ T49] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 50.310226][ T49] process_one_work+0x9ac/0x1650 [ 50.315172][ T49] ? pwq_dec_nr_in_flight+0x2a0/0x2a0 [ 50.320575][ T49] ? rwlock_bug.part.0+0x90/0x90 [ 50.325527][ T49] ? _raw_spin_lock_irq+0x41/0x50 [ 50.330609][ T49] worker_thread+0x657/0x1110 [ 50.335291][ T49] ? process_one_work+0x1650/0x1650 [ 50.340634][ T49] kthread+0x2e9/0x3a0 [ 50.344712][ T49] ? kthread_complete_and_exit+0x40/0x40 [ 50.350391][ T49] ret_from_fork+0x1f/0x30 [ 50.354817][ T49] [ 50.357820][ T49] Kernel panic - not syncing: panic_on_warn set ... [ 50.364384][ T49] CPU: 1 PID: 49 Comm: kworker/u4:2 Not tainted 5.17.0-rc8-syzkaller-00003-g56e337f2cf13 #0 [ 50.374442][ T49] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 50.384482][ T49] Workqueue: loop0 loop_rootcg_workfn [ 50.389842][ T49] Call Trace: [ 50.393118][ T49] [ 50.396029][ T49] dump_stack_lvl+0xcd/0x134 [ 50.400605][ T49] panic+0x2b0/0x6dd [ 50.404487][ T49] ? __warn_printk+0xf3/0xf3 [ 50.409072][ T49] ? __warn.cold+0x1d1/0x2cf [ 50.413644][ T49] ? iomap_iter+0xd85/0x1110 [ 50.418218][ T49] __warn.cold+0x1ec/0x2cf [ 50.422616][ T49] ? iomap_iter+0xd85/0x1110 [ 50.427188][ T49] report_bug+0x1bd/0x210 [ 50.431504][ T49] handle_bug+0x3c/0x60 [ 50.435649][ T49] exc_invalid_op+0x14/0x40 [ 50.440138][ T49] asm_exc_invalid_op+0x12/0x20 [ 50.444975][ T49] RIP: 0010:iomap_iter+0xd85/0x1110 [ 50.450154][ T49] Code: fd ff ff e8 9d f2 d0 ff e9 f9 f9 ff ff e8 c3 0c 8a ff 0f 0b e9 87 f8 ff ff e8 b7 0c 8a ff 0f 0b e9 98 f7 ff ff e8 ab 0c 8a ff <0f> 0b e9 38 f7 ff ff e8 9f 0c 8a ff 0f 0b e9 64 f7 ff ff e8 93 0c [ 50.469748][ T49] RSP: 0018:ffffc900011a7688 EFLAGS: 00010293 [ 50.475803][ T49] RAX: 0000000000000000 RBX: ffffc900011a7820 RCX: 0000000000000000 [ 50.483759][ T49] RDX: ffff888015fa4080 RSI: ffffffff81ede8e5 RDI: 0000000000000003 [ 50.491715][ T49] RBP: 00000fff80000000 R08: 00000fff80000000 R09: 000000000000000c [ 50.499672][ T49] R10: ffffffff81ede01b R11: 000000000000003f R12: 0000000000000000 [ 50.507627][ T49] R13: ffffffff80000000 R14: ffffc900011a7848 R15: ffffc900011a7890 [ 50.515587][ T49] ? iomap_iter+0x4bb/0x1110 [ 50.520174][ T49] ? iomap_iter+0xd85/0x1110 [ 50.524755][ T49] ? iomap_iter+0xd85/0x1110 [ 50.529328][ T49] __iomap_dio_rw+0x6b2/0x1ad0 [ 50.534077][ T49] ? iomap_dio_bio_iter+0x1560/0x1560 [ 50.539430][ T49] ? down_read+0x198/0x440 [ 50.543827][ T49] ? rwsem_down_read_slowpath+0xa70/0xa70 [ 50.549525][ T49] iomap_dio_rw+0x38/0x90 [ 50.553850][ T49] ext4_file_read_iter+0x41c/0x5d0 [ 50.558954][ T49] lo_rw_aio.isra.0+0xa99/0xc90 [ 50.563803][ T49] ? loop_validate_file+0x450/0x450 [ 50.568985][ T49] ? rwlock_bug.part.0+0x90/0x90 [ 50.573908][ T49] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 50.580140][ T49] ? kthread_associate_blkcg+0x1ff/0x720 [ 50.585760][ T49] loop_process_work+0x92f/0x1db0 [ 50.590779][ T49] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 50.596747][ T49] ? css_put+0x2c0/0x2c0 [ 50.600983][ T49] ? lock_release+0x720/0x720 [ 50.605666][ T49] ? lock_downgrade+0x6e0/0x6e0 [ 50.610501][ T49] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 50.616467][ T49] process_one_work+0x9ac/0x1650 [ 50.621390][ T49] ? pwq_dec_nr_in_flight+0x2a0/0x2a0 [ 50.626754][ T49] ? rwlock_bug.part.0+0x90/0x90 [ 50.631676][ T49] ? _raw_spin_lock_irq+0x41/0x50 [ 50.636689][ T49] worker_thread+0x657/0x1110 [ 50.641352][ T49] ? process_one_work+0x1650/0x1650 [ 50.646535][ T49] kthread+0x2e9/0x3a0 [ 50.650631][ T49] ? kthread_complete_and_exit+0x40/0x40 [ 50.656258][ T49] ret_from_fork+0x1f/0x30 [ 50.660669][ T49] [ 50.663942][ T49] Kernel Offset: disabled [ 50.668339][ T49] Rebooting in 86400 seconds..